﻿using System;

namespace ConsoleInput
{
    class Program
    {
        static void Main(string[] args)
        {
            string s = Console.ReadLine(); // Get string from Console
            
            int a = int.Parse(s); // Tring to read integer from string

            double x = double.Parse(Console.ReadLine()); // assign parsed double value

            // decimal d = Convert.ToDecimal("52");


            Console.WriteLine(x * x);
        }
    }
}
